Shimano Ultegra CS-6700 10 Speed Cassette - 12-30T

- Lightweight 10 speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
- Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
- Wide gear range to meet the demands of all types of rider
- Cassette Ratio: 12-13-14-15-17-19-21-24-27-30T
- Weight: 208 grams (11-23 teeth)